This book presents how ancient Christianity must be understood from the viewpoint of the history of religions in late antiquity. The continuation of biblical prophecy runs like a thread from Jesus through Mani to Muhammad. And yet this thread, arguably the single most important characteristic of the Abrahamic movement, often remains outside the mainstream, hidden, as it were, since it generates heresy. The figures of the Gnostic, the Holy man, and the mystic are all sequels of the Israelite prophet. They reflect a mode of religiosity that is characterized by high intensity. It is centripetal...